In The Dark Knight , the Joker gives conflicting accounts of his scars, attributing them to a sadistic father or his own attempt to comfort his wife, proving he treats his past as a tool for manipulation.
In many versions of his story, the Joker views his own memories as a joke he can rewrite at will. This fluid memory is used to justify his descent into madness—whether it was a single "bad day" that broke him or a lifetime of trauma. Jokers Memory
In the Arkham game series, Joker’s "memories" become a literal infection in Batman’s mind due to a blood transfusion and fear toxin, forcing Bruce Wayne to relive the villain's distorted perspective. "Joker's Memory" in Pop Culture In The Dark Knight , the Joker gives
There is a recurring plot point regarding a memory chip containing the Joker’s consciousness used to "resurrect" him years after his death. In the Arkham game series, Joker’s "memories" become
In the Arkham Knight universe, Harley Quinn’s gang dresses up in Joker’s likeness as a way of "honoring" his memory after his death.